Finding the Fourth Proportional to 1,185,277.49, 1,635,506.98 and 719,889.19
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Solution
The fourth proportional to 1,185,277.49, 1,635,506.98 and 719,889.19 is: 993,340.21
Step by Step Solution
- Step 1: Write the proportion equation
1,185,277.49 : 1,635,506.98 = 719,889.19 : x - Step 2: Convert to fraction form
1,185,277.49/1,635,506.98 = 719,889.19/x - Step 3: Cross multiply
1,185,277.49x = 1,635,506.98 × 719,889.19 - Step 4: Simplify right side
1,185,277.49x = 1,177,383,789,183.06 - Step 5: Solve for x
x = 1,177,383,789,183.06/1,185,277.49 - Step 6: Final answer
x = 993,340.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.